Planet Explorer - Interactive global satellite images
Spott - API to work with cities, countries and political divisions.
SpyMeSat - Task a satellite to take your picture, in real time
IP Location - IPLocation.io provides a free lookup tool to check the location of your Public IP Address. It finds this data through various GEO IP databases and online services. Just enter an IP and check its location easily.
Spire - The first activity, breath & state of mind tracker
himawari.js - Real-time images of Earth from the Himawari-8 satellite